#include <bits/stdc++.h>
using namespace std;
int ans=1,n,a[100005],c[100005];
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    cin>>n;
    for(int i=1;i<=n;i++)cin>>a[i],c[a[i]]++;
    for(int i=1;i<=100000;i++)ans=max(ans,c[i]);
    cout<<ans<<endl;
    return 0;
}